#3927AA#3927AA

#3927AA is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.4% C 0.195 H 278.8°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#3927AA
RGB	rgb(57, 39, 170)
HSL	hsl(248, 63%, 41%)
HSV	hsv(248, 77%, 67%)
CMYK	cmyk(66.5%, 77.1%, 0%, 33.3%)
CIE-LAB	lab(27.36, 46.49, -66.69)
CIE-LCH	lch(27.36, 81.30, 304.88°)
OKLab	oklab(39.43% 0.0298 -0.1926)
OKLCH	oklch(39.43% 0.195 278.8)
XYZ	xyz(9.6662, 5.2224, 38.5210)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927AA #98AA27

analogous

#2756AA #3927AA #7A27AA

triadic

#3927AA #AA3927 #27AA39

tetradic

#3927AA #AA2756 #98AA27 #27AA7A

square

#3927AA #AA2756 #98AA27 #27AA7A

split-complementary

#3927AA #AA7A27 #56AA27

monochromatic

#181046 #281C78 #3927AA #513CD2 #7D6EDE

Accessibility & contrast

On white

10.27

#3927AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3927AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927AA

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927AA	#FFFFFF	#000000	##FFFFFF
##3927AA	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AE

Deuteranopia (green-blind)

#003BA8

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3927aa;
/* rgb */ color: rgb(57, 39, 170);
/* oklch */ color: oklch(39.4% 0.195 278.8);

Tailwind

colors: {
  custom: {
    50: '#7f64c5',
    500: '#3927aa',
    950: '#000000',
  },
}

SCSS

$custom: #3927aa;
$custom-light: #7f64c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3927aa",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 170
  },
  "hsl": {
    "h": 248.244,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39426,
    "c": 0.1949,
    "h": 278.8
  },
  "luminance": 0.05223
}

Semantic roles & 50–950 ramp

primary

#3927AA

secondary

#B8C469

accent

#E642CF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3927AA

Body copy rendered with the generated semantic roles for this colour.

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